/****************************************************************************
 *
 * Copyright (C) 2003-2008 Los Alamos National Security, LLC
 *                         Packet Analytics Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation.  You may not use, modify or
 * distribute this program under any other version of the GNU General
 * Public License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 ****************************************************************************/
package nfse.gui.client;

import com.gwtext.client.widgets.Panel;
import com.gwtext.client.widgets.Toolbar;
import com.gwtext.client.widgets.*;
import com.gwtext.client.widgets.event.*;
import com.gwtext.client.data.*;    
import com.gwtext.client.widgets.grid.ColumnConfig;  
import com.gwtext.client.widgets.grid.ColumnModel;  
import com.gwtext.client.widgets.grid.GridPanel;  
import com.gwtext.client.core.*;
import java.util.*;

import nfse.gui.client.data.*;

public class EventStatsGrid extends Panel
{

	private HashMap dataMap;
	private HeadsUpTab headsUpTab;
	private GridPanel grid;
	private ToolbarTextItem text;
	private boolean refresh = false;
	
	public EventStatsGrid(int height, int width)
	{
		this.setHeight(height);
		this.setWidth(width);
		this.setBorder(true);
	}

	
	public void buildGrid(HashMap dataMap,  HeadsUpTab headsUpTab)
	{
		this.headsUpTab = headsUpTab;
		this.dataMap = dataMap;
		buildGrid();
	}

	
	public void buildGrid()
	{
		
		RecordDef recordDef = new RecordDef
		(
				new FieldDef[] 
				{
						new StringFieldDef("sensor"),
						new StringFieldDef("count"),
						new StringFieldDef("oldest"),
						new StringFieldDef("newest"),
				}
		);
		
		grid = new GridPanel();	
		
		Object[][] data = null;		
	    data = convertRawDataToObjectGrid();
		MemoryProxy proxy = new MemoryProxy(data);
		
		ArrayReader reader = new ArrayReader(recordDef);
		Store store = new Store(proxy,reader);
		store.load();
		grid.setStore(store);
		
		ColumnConfig[] columns = new ColumnConfig[] {
				new ColumnConfig("Sensor","sensor",100)
				{
					{
						setAlign(TextAlign.LEFT);
					}
				},
				new ColumnConfig("Count","count",60)
				{
					{
						setAlign(TextAlign.RIGHT);
					}
				},
				new ColumnConfig("Oldest","oldest",150),
				new ColumnConfig("Newest","newest",150)								
		};
		
		 ColumnModel columnModel = new ColumnModel(columns);  

		 grid.setColumnModel(columnModel);  
		 grid.setFrame(true); 		 
		 grid.setStripeRows(true);
		 grid.setAutoScroll(true);
		 grid.setHeight(200);
		 grid.setTitle("Event Stats");  

		 
		Toolbar tBar = new Toolbar();
		ButtonListenerAdapter listener = new ButtonListenerAdapter() {  
		public void onClick(Button button, com.gwtext.client.core.EventObject e) {
			System.out.println("The refresh button was clicked");
			refreshThis();
			//updateFooterTimeStamp();
		}
		};
		
		ToolbarButton refreshBtn = new ToolbarButton("Refresh",listener);
		tBar.addButton(refreshBtn);
        Date today = new Date( );
        	
		//tBar.addText("Last Updated: "  + today);
        if (text != null)
        	text.removeFromParent();
        text = new ToolbarTextItem("Last Updated: "  + today);
        //tBar.addItem(text);
		grid.setBottomToolbar(tBar);
		 
//		Button b1 = new Button("AAHHHH");
//		 this.add(b1);
		
		 this.add(grid);		 
	}

	public void refreshGrid(HashMap dataMap)
	{
		this.dataMap = dataMap;
		RecordDef recordDef = new RecordDef
		(
				new FieldDef[] 
				{
						new StringFieldDef("sensor"),
						new StringFieldDef("count"),
						new StringFieldDef("oldest"),
						new StringFieldDef("newest")
				}
		);
		
			
		
		Object[][] data = convertRawDataToObjectGrid();
		MemoryProxy proxy = new MemoryProxy(data);
		
		ArrayReader reader = new ArrayReader(recordDef);
		Store store = new Store(proxy,reader);
		store.load();
		//localG.setStore(store);
		
		ColumnConfig[] columns = new ColumnConfig[] {
				new ColumnConfig("Sensor","sensor",100)
				{
					{
						setAlign(TextAlign.LEFT);
					}
				},
				new ColumnConfig("Count","count",60)
				{
					{
						setAlign(TextAlign.RIGHT);
					}
				},
				new ColumnConfig("Oldest","oldest",150),
				new ColumnConfig("Newest","newest",150)								
		};
		
		 ColumnModel columnModel = new ColumnModel(columns);  

		 //localG.setColumnModel(columnModel);
		 
		 grid.reconfigure(store, columnModel);
		 
		 //grid.setFrame(true); 		 
//		 grid.setStripeRows(true);
//		 grid.setAutoScroll(true);
//		 grid.setHeight(100);
//		 grid.setTitle("Event Stats");  

		 
//		Toolbar tBar = new Toolbar();
//		ButtonListenerAdapter listener = new ButtonListenerAdapter() {  
//		public void onClick(Button button, com.gwtext.client.core.EventObject e) {
//			System.out.println("The refresh button was clicked");
//			refreshThis();
//			//updateFooterTimeStamp();
//		}
//		};
//		
//		ToolbarButton refreshBtn = new ToolbarButton("Refresh",listener);
//		tBar.addButton(refreshBtn);
//        Date today = new Date( );
//        	
//		//tBar.addText("Last Updated: "  + today);
//        if (text != null)
//        	text.removeFromParent();
//        text = new ToolbarTextItem("Last Updated: "  + today);
//        tBar.addItem(text);
//		grid.setBottomToolbar(tBar);
		 
		grid.getBottomToolbar();
		//this.remove(grid);
		
		//grid = localG;
		//this.insert(0,localG);
		
		//return grid;
		
	}
	
	private void configureGridData(boolean refresh, GridPanel grid)
	{
		this.grid = grid;
		this.refresh = refresh;
		
		RecordDef recordDef = new RecordDef
		(
				new FieldDef[] 
				{
						new StringFieldDef("sensor"),
						new StringFieldDef("count"),
						new StringFieldDef("oldest"),
						new StringFieldDef("newest"),
				}
		);
		
		Object[][] data = convertRawDataToObjectGrid();
		MemoryProxy proxy = new MemoryProxy(data);
		
		ArrayReader reader = new ArrayReader(recordDef);
		Store store = new Store(proxy,reader);
		
		ColumnConfig[] columns = new ColumnConfig[] {
				new ColumnConfig("Sensor","sensor",100)
				{
					{
						setAlign(TextAlign.LEFT);
					}
				},
				new ColumnConfig("Count","count",60)
				{
					{
						setAlign(TextAlign.RIGHT);
					}
				},
				new ColumnConfig("Oldest","oldest",150),
				new ColumnConfig("Newest","newest",150)								
		};
		
		 ColumnModel columnModel = new ColumnModel(columns);  

		 if (!refresh)
		 {
			 grid.setStore(store);
			 grid.setColumnModel(columnModel);  			 
		 }
		 else
		 {
			 grid.reconfigure(store, columnModel);
		 }

	
	}
	
	public void updateFooterTimeStamp()
	{				
//        if (text != null)
//        	text.removeFromParent();
        
        text.getParent();
        text = new ToolbarTextItem("Last Updated: "  + new Date( ));
		
		grid.getBottomToolbar().addItem(text);
	}
	
	private void refreshThis()
	{
		this.headsUpTab.refreshEventStatsGrid();
	}
	
	
	/**
	 * This converts the incoming data object a HashMap or an ArrayList into a Object[][]
	 */
	private Object[][] convertRawDataToObjectGrid()
	{
		ArrayList usedTypes = new ArrayList();
		
		int columns = 4;
		
		Object[][] displayData = new Object[headsUpTab.getSensorTypesMap().size()][columns];
		
		int recordCount = 0;
		
		Iterator it = dataMap.keySet().iterator();
		while (it.hasNext())
		{
			EventStats eventStats = (EventStats)dataMap.get((String)it.next());
			SensorTypes st = (SensorTypes)headsUpTab.getSensorTypesMap().get(eventStats.getTypeId());
			usedTypes.add(eventStats.getTypeId());
			String sensorName = st.getTypeName();
			displayData[recordCount][0] = sensorName;
			displayData[recordCount][1] = eventStats.getEventCount();			
			displayData[recordCount][2] = eventStats.getOldestEvent();			
			displayData[recordCount][3] = eventStats.getNewestEvent();
			recordCount++;
		}
		
		//Add the sensors that do not have counts
		Iterator it2 = headsUpTab.getSensorTypesMap().keySet().iterator();
		while (it2.hasNext())
		{
			String typeId = (String)it2.next();			
			if (!usedTypes.contains(typeId))
			{
				SensorTypes st = (SensorTypes)headsUpTab.getSensorTypesMap().get(typeId);
				String sensorName = st.getTypeName();
				displayData[recordCount][0] = sensorName;
				displayData[recordCount][1] = "0";			
				displayData[recordCount][2] = "0";			
				displayData[recordCount][3] = "0";
				recordCount++;			
			}
		}
		
		
		return displayData;
	}
	
	
	private Object[][] getTestData()
	{
		return new Object[][] {
		  		new Object[]{"5",new Integer(1000),"2005-12-20 00:00:00.0","2005-11-14 00:00:00.0"},
		  		new Object[]{"3",new Integer(500),"2004-10-02 00:00:00.0","2005-11-07 00:00:00.0"},
		  		new Object[]{"5",new Integer(1000),"2005-12-20 00:00:00.0","2005-11-14 00:00:00.0"},
		  		new Object[]{"3",new Integer(500),"2004-10-02 00:00:00.0","2005-11-07 00:00:00.0"},
		  		new Object[]{"5",new Integer(1000),"2005-12-20 00:00:00.0","2005-11-14 00:00:00.0"},
		  		new Object[]{"3",new Integer(500),"2004-10-02 00:00:00.0","2005-11-07 00:00:00.0"}		  		
		};
	}

	public GridPanel getGrid()
	{
		return grid;
	}


	public void setGrid(GridPanel grid)
	{
		this.grid = grid;
	}


	
	
}
